SSC GD 2019 PYQ — Question 65

SSC GD Constable (English) - 18 Feb 2019 Shift 1 • Quantitative Aptitude • Q65

What will be the Highest Common Factor of 5, 10 and 20?

Show answer & explanation

Correct answer: A

Explanation

The correct answer is option 1 i.e. 5.

Understanding/Application

Factorization of 5 = 51

10 = 21 × 51

20 = 22 × 51

H.C.F = 5